Vontobel Holding
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Vontobel Holding’s ACM Research ACMR Stock Holding History

Vontobel Holding’s Portfolio ACMR Stock Details ACMR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$557K Sell
14,143
-3,681
-21% -$195K ﹤0.01% 812
2025
Q4 		$703K Sell
17,824
-4,786
-21% -$178K ﹤0.01% 876
2025
Q3 		$885K Buy
22,610
+2,059
+10% +$61.1K ﹤0.01% 763
2025
Q2 		$532K Buy
20,551
+491
+2% +$11K ﹤0.01% 874
2025
Q1 		$468K Buy
+20,060
New +$458K ﹤0.01% 804
2021
Q2 		– Sell
-19,800
Closed -$533K – 1132
2021
Q1 		$533K Buy
+19,800
New +$655K ﹤0.01% 654

Other funds holding ACMR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return
PCP
Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

Vontobel Holding's ACMR Position: Q1 2026 in Review

Vontobel Holding reduced its ACM Research (ACMR) stake by 21% in Q1 2026, selling an estimated $195K and leaving 14,143 shares worth $557K. The position accounts for ﹤0.01% of the portfolio, ranked #812.

Vontobel Holding first reported a position in ACMR in Q1 2021 and has held it in 6 quarters since. The position peaked at $885K in Q3 2025. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Vontobel Holding held 14,143 shares of ACM Research worth $557K as of Q1 2026.
  • Vontobel Holding sold 3,681 ACM Research shares in Q1 2026, an estimated $195K.
  • ACM Research made up ﹤0.01% of Vontobel Holding's portfolio in Q1 2026, its #812 holding.
  • Vontobel Holding first reported a position in ACM Research in Q1 2021 and has held it in 6 quarters since.
  • Vontobel Holding's ACM Research position peaked at $885K in Q3 2025.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Vontobel Holding's 13F filing for Q1 2026, filed 8 May 2026.